Peponis DV, Latsas GP, Ioannidis ZC, Tigelis IG. Dispersion properties of rectangularly-corrugated waveguide structures by the in-house 3D {FDTD} code {COCHLEA} in cylindrical coordinates. {IET} Microwaves, Antennas {&}amp$\mathsemicolon$ Propagation [Internet]. 2018;13:28?34.